FUTABA 12K Instruction Manual page 129

Dual rate function is used to adjust the amount
of throw and the operational curve of the stick
operational curve of the throttle function.
This is normally used after the End Point
programming has been completed to define the
maximum throw. When mixing is applied from one
channel to another channel, both channels can be
adjusted at the same time by adjusting the operation
RTN
HOME/EXIT
RETURN
rate through the dual rate function.
Neutral position of the dual rate curve can be
set.
Glider)
switching only)
<Push Dial>
<Model Menu (Common Functions)>
129